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Binary fragmentation based studies for the near super-heavy compound nucleus 256Rf

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Abstract.

Binary fragmentation of the near super-heavy compound nucleus 256Rf has been studied through the reaction 48Ti + 208Pb at a bombarding energy well above the Coulomb barrier. For a better understanding of its reaction dynamics, the mass distribution, mass-energy distribution and mass-angle distribution of the fission fragments produced from 256Rf have been investigated thoroughly. The masses and kinetic energies of the fission fragments were reconstructed event-by-event from their measured velocities and emission angles. From the mass-energy analysis, a sizeable contribution from the asymmetric fission was observed on the edges of symmetric mass distribution. Evidence of asymmetric fission was also clued from the observed correlation between the masses and emission angles of the fission fragments. Contribution of the quasi-fission products has also been estimated by performing the theoretical dinuclear system calculations.

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Authors and Affiliations

  1. Department of Physics, Panjab University, 160014, Chandigarh, India

    Meenu Thakur, B. R. Behera, Ruchi Mahajan, Gurpreet Kaur, Priya Sharma, Kushal Kapoor & Kavita Rani

  2. Inter University Accelerator Centre, Aruna Asaf Ali Marg, 110067, New Delhi, India

    N. Saneesh, R. Dubey, A. Yadav, P. Sugathan, A. Jhingan, A. Chatterjee & M. B. Chatterjee

  3. Department of Physics and Astrophysics, University of Delhi, 110007, Delhi, India

    Neeraj Kumar & S. Mandal

  4. Department of Nuclear Physics, Andhra University, 530003, Visakhapatnam, India

    S. Kumar

  5. Nuclear Physics Division, Bhabha Atomic Research Centre, 400085, Mumbai, India

    A. Saxena & S. Kailas

  6. CS, 6/1, Golf Green, 700095, Kolkata, India

    Santanu Pal

  7. Bogoliubov Laboratory of Theoretical Physics, JINR, Dubna, Russia

    Avazbek Nasirov

  8. Department of Physics, National University, 100174, Tashkent, Uzbekistan

    Avazbek Nasirov & Bakhodir Kayumov

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  1. Meenu Thakur
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Correspondence to B. R. Behera.

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Thakur, M., Behera, B.R., Mahajan, R. et al. Binary fragmentation based studies for the near super-heavy compound nucleus 256Rf . Eur. Phys. J. A 53, 133 (2017). https://doi.org/10.1140/epja/i2017-12323-5

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